blow
1. Blow (it)!
e.g.: Blow! I’ve left my car-key in the car!
Blow it! I’ve missed my train!
2. Blow me (down)!
e.g.: He won again, well, blow me down!
3. I’ll be blowed if…
e.g.: I’ll be blowed if I’m going to apologize.
Blowed if I’ll ask her to come tonight!
I’ll be blowed if it is so.